diff options
| author | Henning Brauer <henning@cvs.openbsd.org> | 2008-06-08 17:23:20 +0000 |
|---|---|---|
| committer | Henning Brauer <henning@cvs.openbsd.org> | 2008-06-08 17:23:20 +0000 |
| commit | f8b5b20dcaa28ca47835a72a8c01a1d586c8301d (patch) | |
| tree | d3e147e750eca7a8346360b249abe45e3eb0ced1 /sys | |
| parent | 20d768012e4a380c2f1a8bf40e34272522902e23 (diff) | |
null pointer check before deref
almost nobody ran into that because it is ipv6 only
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/net/pf.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/net/pf.c b/sys/net/pf.c index 197dbf2d3c0..b221da330e1 100644 --- a/sys/net/pf.c +++ b/sys/net/pf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pf.c,v 1.579 2008/06/02 11:38:22 mcbride Exp $ */ +/* $OpenBSD: pf.c,v 1.580 2008/06/08 17:23:19 henning Exp $ */ /* * Copyright (c) 2001 Daniel Hartmeier @@ -3058,7 +3058,8 @@ pf_test_rule(struct pf_rule **rm, struct pf_state **sm, int direction, goto cleanup; } - bip_sum = *pd->ip_sum; + if (pd->ip_sum) + bip_sum = *pd->ip_sum; switch (pd->proto) { case IPPROTO_TCP: |